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Brian Gaff Brian Gaff is offline
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Default Getting rid of acid stains on patio

Is this only a year old?
Must be a record from home owners consite.
Brian

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On Tuesday, 22 May 2018 14:44:06 UTC+1, Cal wrote:
replying to KB, Cal wrote:
hi, I too am in this mess, first wash of the limestone with Oxalic Acid
removed the stains but unfortunately they are back after a few weeks, as
mentioned in other responses they are less intense BUT still there. I am
now
on the second wash with the Oxalic Acid so hopefully this will reduce it
further, otherwise I am going to keep the process going and hope that it
helps


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hi did the stains go ?